Terminated Products
Solid State Motor Protection Relay (S2E21)
The motor protection relay, S2E21 provides a total motor protection and monitoring package for all motor application.
Solid State Motor Protection Relay (S2E21)
Feature
- Overload 49
- Short-circuit/instantaneous overcurrent 50
- Overcurrent 51
- Current phase unbalance 46
- Undercurrent 37
- Zero sequence ground fault 50G/51G
- Stator and bearing overcurrent 38/49
- Locked rotor and starting time failure 48
- Repeated starting 66
Thermal model calculations customize temperature protection and auto-learning function provides more accurate programming.
Draw-out construction
Specification
Specification List
This table can be scrolled horizontally.
| TYPE FORM | S2E21-C1A | S2E21-C1AD/C1AF | |
|---|---|---|---|
| Applicable circuit | Three phase, 50/60Hz | ||
| Protection functions |
|
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| Input | CT/ZCT input current | 1 A or 5 A | |
| Operating voltage | 100-120VAC/100-125VDC (5mA) | ||
| RTD | 8 points | ||
| Output | Contact | Pf.=0.4 : 250VAC-2A L/R=7ms : 30VDC-2A |
|
| Transducer | |||
| Rated control voltage | 100-120VAC phase 50/60Hz/100-125VDC 0.4A |
||
| Application conditions | Ambient temperature | -10 - 60oC | |
| Relative humidity | 45 - 85% (No condensation) | ||
